Track Workout: Doubles

Always warm-up with an easy mile, followed by strides. Don't forget to stretch!

• 2 x 200meters (rest interval slow-jog 30 seconds after each 200)
• 2 x 400meters (rest interval 45 second after each 400)
• 2 x 600meters (rest interval 1 min after each 600)
• 2 x 400meters (RI 45sec after each 400)
• 2 x 200meters (RI 30sec after 200)
  
  Don't forget the cool-down!

from SF Triathlon Club (http://www.sftriclub.org/newsletter/newbie/run/track.shtml)